// (function (win) {
//   var bodyStyle = document.createElement('style')
//   bodyStyle.innerHTML = `body{width:1920px; height:1080px!important;overflow: hidden}`
//   document.documentElement.firstElementChild.appendChild(bodyStyle)

//   function refreshScale() {
//       let docWidth = document.documentElement.clientWidth;
//       let docHeight = document.documentElement.clientHeight;
//       //设计图的宽高
//       var designWidth = 1920,
//           designHeight = 1080,
//           widthRatio = docWidth / designWidth,
//           heightRatio = docHeight / designHeight;
//       //设置缩放属性
//       document.body.style = "transform:scale(" + widthRatio + "," + heightRatio + ");transform-origin:left top;"
//       // 应对浏览器全屏切换前后窗口因短暂滚动条问题出现未占满情况
//       setTimeout(function () {
//           var lateWidth = document.documentElement.clientWidth,
//               lateHeight = document.documentElement.clientHeight;
//           if (lateWidth === docWidth) return;

//           widthRatio = lateWidth / designWidth
//           heightRatio = lateHeight / designHeight
//           document.body.style = "transform:scale(" + widthRatio + "," + heightRatio + ");transform-origin:left top;"
//       }, 0)
//   }
//   refreshScale()

//   win.addEventListener("pageshow", function (e) {
//       if (e.persisted) { // 浏览器后退的时候重新计算
//           refreshScale()
//       }
//   }, false);
//   //监听页面变化
//   win.addEventListener("resize", refreshScale, false);
// })(window)